Early Sunday morning in Rapid City, a two-vehicle collision resulted in one fatality, with the names of those involved yet to be disclosed pending family notification.
The incident occurred when a speeding 2003 Volkswagen Jetta, operating without headlights, collided with a marked Rapid City Police Department Dodge Durango making a left turn.
The 26-year-old Jetta driver suffered serious non-life-threatening injuries and was transported to Monument Health Rapid City without a seatbelt.
The 27-year-old female Jetta passenger lost her life at the scene, also without wearing a seatbelt.
The 25-year-old male Durango driver sustained minor injuries.
The South Dakota Highway Patrol is currently conducting an investigation into the crash.